12868520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45959}}^1$

素因数の和:45977

約数の個数: 32

約数和(自身を含む): 33091200

約数和(自身を除く): 20222680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45959, 91918, 183836, 229795, 321713, 367672, 459590, 643426, 919180, 1286852, 1608565, 1838360, 2573704, 3217130, 6434260, 12868520]

約数ペア:

[(1, 12868520), (2, 6434260), (4, 3217130), (5, 2573704), (7, 1838360), (8, 1608565), (10, 1286852), (14, 919180), (20, 643426), (28, 459590), (35, 367672), (40, 321713), (56, 229795), (70, 183836), (140, 91918), (280, 45959)]